Ceres, CA 95397 Frost Dates
95397, near Ceres, CA: the frost window
Around 01/31 is the usual last spring frost, about 156 days away. Fall's first freeze usually shows up around 12/05, roughly 312 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Ceres in Zone 9b (25 to 30°F average annual minimum); frost dates are NOAA's 1991-2020 station normal, not this year's forecast.
Stretching the season past the first frost
Ceres's growing season runs out in roughly 14 weeks — a cold frame or greenhouse kit is the usual way to keep cool-weather crops going past the first frost.
The actual range around Ceres's last frost
01/31 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 02/25 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 12/31 and only about 1 year in 10 sees frost after that.
Ceres against the rest of the dataset
About 312 days separate Ceres's last and first frost, putting it 3,469 of 40,283 ZIP codes nationally. Within CA, it ranks 1,449 of 2,555.
Learn more
Two guides worth reading on 95397: local microclimates, on what one yard in Ceres can differ from the 95397 normal, and zone vs. frost date, on why Zone 9b and Ceres's frost date answer different questions.